Home / 6,248,818.40-9,373,227.60-1,989,417.20

Finding the Fourth Proportional to 6,248,818.40, 9,373,227.60 and 1,989,417.20

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Solution

The fourth proportional to 6,248,818.40, 9,373,227.60 and 1,989,417.20 is: 2,984,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248,818.40 : 9,373,227.60 = 1,989,417.20 : x
  2. Step 2: Convert to fraction form
    6,248,818.40/9,373,227.60 = 1,989,417.20/x
  3. Step 3: Cross multiply
    6,248,818.40x = 9,373,227.60 × 1,989,417.20
  4. Step 4: Simplify right side
    6,248,818.40x = 18,647,260,206,954.72
  5. Step 5: Solve for x
    x = 18,647,260,206,954.72/6,248,818.40
  6. Step 6: Final answer
    x = 2,984,125.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.